CN101106196A - 电极集流体及其检查方法、电池电极及其制备方法以及二次电池及其制备方法 - Google Patents
电极集流体及其检查方法、电池电极及其制备方法以及二次电池及其制备方法 Download PDFInfo
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- CN101106196A CN101106196A CNA2007101260275A CN200710126027A CN101106196A CN 101106196 A CN101106196 A CN 101106196A CN A2007101260275 A CNA2007101260275 A CN A2007101260275A CN 200710126027 A CN200710126027 A CN 200710126027A CN 101106196 A CN101106196 A CN 101106196A
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Abstract
Description
L* | a* | b* | Ra | Rz | 容量保持率(%) | |
实例1-1 | 50 | 32 | 24 | 0.48 | 2.87 | 72.5 |
实例1-2 | 80 | 32 | 24 | 0.47 | 2.77 | 72.3 |
实例1-3 | 66 | 20 | 24 | 0.47 | 2.98 | 72.4 |
实例1-4 | 66 | 40 | 24 | 0.52 | 3.01 | 72.1 |
实例1-5 | 66 | 32 | 15 | 0.46 | 2.69 | 72.3 |
实例1-6 | 66 | 32 | 30 | 0.47 | 2.86 | 72.3 |
比较例1-1 | 49 | 32 | 24 | 0.48 | 2.70 | 52.7 |
比较例1-2 | 81 | 32 | 24 | 0.43 | 2.72 | 52.1 |
比较例1-3 | 66 | 19 | 24 | 0.49 | 2.83 | 52.3 |
比较例1-4 | 66 | 41 | 24 | 0.47 | 2.86 | 52.4 |
比较例1-5 | 66 | 32 | 14 | 0.46 | 2.77 | 52.6 |
比较例1-6 | 66 | 32 | 31 | 0.41 | 3.01 | 42.7 |
比较例1-7 | 70 | 10 | 32 | 0.35 | 2.15 | 42.7 |
比较例1-8 | 25 | 2.5 | 1.6 | 0.28 | 1.78 | 32.6 |
L* | a* | b* | Ra | Rz | 容量保持率(%) | 备注 | |
实例2-1 | 50 | 20 | 15 | 0.48 | 2.87 | 72.5 | 每一个最低 |
实例2-2 | 80 | 40 | 30 | 0.47 | 2.77 | 72.4 | 每一个最高 |
实例2-3 | 55 | 22 | 17 | 0.47 | 2.98 | 76.3 | 更优选范围的下限 |
实例2-4 | 65 | 30 | 22 | 0.52 | 3.01 | 78.4 | 更优选范围的中间值 |
实例2-5 | 60 | 26 | 20 | 0.46 | 2.69 | 77.1 | 更优选范围的上限 |
实例2-6 | 50 | 27 | 24 | 0.47 | 2.86 | 72.2 | L*最低;a*,b*中间值 |
实例2-7 | 80 | 26 | 25 | 0.41 | 2.54 | 72.6 | L*最高;a*,b*中间值 |
实例2-8 | 62 | 20 | 23 | 0.43 | 2.72 | 71.6 | a*最低;b*,L*中间值 |
实例2-9 | 61 | 40 | 18 | 0.42 | 2.83 | 72.9 | a*最高;b*,L*中间值 |
实例2-10 | 64 | 28 | 15 | 0.47 | 2.86 | 72.7 | b*最低;L*,a*中间值 |
实例2-11 | 59 | 32 | 30 | 0.41 | 2.54 | 73.3 | b*最高;L*,a*中间值 |
真空炉退火 | 备注 | 容量保持率(%) | |
实例3 | 120℃,10hr | 界面处发现硅原子的扩散 | 76.6 |
实例1-1 | 无 | 界面处没有发现元素的扩散 | 72.5 |
前 | 后 | 容量保持率(%) | 备注 | |||||
L* | a* | b* | L* | a* | b* | |||
实例4-1 | 55 | 22 | 17 | 55 | 22 | 17 | 75.3 | 前后侧相同 |
实例4-2 | 55 | 22 | 17 | 58 | 28 | 20 | 77.9 | 前后侧不同 |
实例4-3 | 55 | 22 | 17 | 62 | 22 | 17 | 78.9 | L*不同 |
实例4-4 | 55 | 22 | 17 | 55 | 24 | 17 | 76.4 | a*不同 |
实例4-5 | 55 | 22 | 17 | 55 | 22 | 20 | 77.7 | b*不同 |
I(220)/I(111) | 前表面(M侧) | 后表面(S侧) | 容量保持率(%) | 条件变化 | |||||||
Rz | L* | a* | b* | Rz | L* | a* | b* | ||||
实例5 | 0.3 | 2.63 | 48.8 | 22.2 | 15.9 | 2.84 | 68.4 | 22.6 | 16.7 | 76.4 | |
比较例5-1 | 2.1 | 2.66 | 47.9 | 23.1 | 16.7 | 3.02 | 69.1 | 22.1 | 17.3 | 33.1 | 晶体系统 |
比较例5-2 | 0.3 | 4.57 | 45.2 | 28.1 | 18.8 | 2.88 | 68.3 | 22.9 | 16.1 | 56.4 | M侧粗糙度 |
比较例5-3 | 0.3 | 1.98 | 58.9 | 23.5 | 18.9 | 2.78 | 67.8 | 23.8 | 15.9 | 45.1 | M侧粗糙度 |
比较例5-4 | 0.3 | 2.62 | 47.6 | 22.9 | 16.3 | 5.73 | 53.1 | 26.1 | 19.4 | 52.1 | S侧粗糙度 |
比较例5-5 | 0.3 | 2.59 | 47.1 | 23.2 | 15.8 | 2.41 | 69.9 | 20.3 | 16.1 | 41.1 | S侧粗糙度 |
比较例5-6 | 0.3 | 2.64 | 65.2 | 23.7 | 18.8 | 3.10 | 68.3 | 23.6 | 17.6 | 56.6 | L*(M) |
比较例5-7 | 0.3 | 2.58 | 44.8 | 28.9 | 18.1 | 3.11 | 68.4 | 23.8 | 17.1 | 56.4 | L*(M) |
比较例5-8 | 0.3 | 2.49 | 48.4 | 30.3 | 18.2 | 2.98 | 68.1 | 23.1 | 17.3 | 68.1 | a*(M) |
比较例5-9 | 0.3 | 2.71 | 47.9 | 19.8 | 18.7 | 2.77 | 68.3 | 22.7 | 16.7 | 67.9 | a*(M) |
比较例5-10 | 0.3 | 2.62 | 48.6 | 22.4 | 14.4 | 2.75 | 68.9 | 23.1 | 1.68 | 66.2 | b*(M) |
比较例5-11 | 0.3 | 2.69 | 48.8 | 23.3 | 25.9 | 2.83 | 69.0 | 23.7 | 16.9 | 66.8 | b*(M) |
比较例5-12 | 0.3 | 2.63 | 48.4 | 23.1 | 18.4 | 2.87 | 70.3 | 22.8 | 16.8 | 46.8 | L*(S) |
比较例5-13 | 0.3 | 2.72 | 48.0 | 23.7 | 18.1 | 2.91 | 49.9 | 26.7 | 19.6 | 43.9 | L*(S) |
I(220)/I(111) | 前表面(M侧) | 后表面(S例) | 容量保持率(%) | 条件变化 | |||||||
Rz | L* | a* | b* | Rz | L* | a* | b* | ||||
比较例5-14 | 0.3 | 2.57 | 48.7 | 23.5 | 17.9 | 2.94 | 68.4 | 31.2 | 16.4 | 59.1 | a*(S) |
比较例5-15 | 0.3 | 2.37 | 49.1 | 23.4 | 18.6 | 2.76 | 68.1 | 19.8 | 16.7 | 60.3 | a*(S) |
比较例5-16 | 0.3 | 2.70 | 47.9 | 23.1 | 18.3 | 3.31 | 68.3 | 22.6 | 25.6 | 58.3 | b*(S) |
比较例5-17 | 0.3 | 2.58 | 48.1 | 23.7 | 18.1 | 3.08 | 68.5 | 22.6 | 14.7 | 59.7 | b*(S) |
前表面(M侧) | 后表面(S侧) | 容量保持率(%) | 条件变化 | |||||||||
Rz | Ra | L* | a* | b* | Rz | Ra | L* | a* | b* | |||
实例5 | 2.63 | 0.48 | 45.7 | 22.2 | 15.9 | 2.84 | 0.63 | 68.4 | 22.6 | 16.7 | 76.4 | |
实例6-1 | 2.83 | 0.51 | 45.3 | 24.3 | 18.1 | 2.91 | 0.63 | 68.3 | 22.8 | 16.8 | 78.3 | M侧粗糙度○ |
实例6-2 | 3.21 | 0.61 | 46.2 | 24.4 | 18.3 | 2.88 | 0.61 | 67.9 | 22.3 | 16.5 | 81.9 | M侧粗糙度◎ |
实例6-3 | 3.51 | 0.65 | 46.9 | 24.2 | 18.85 | 2.89 | 0.62 | 67.8 | 22.5 | 16.6 | 78.1 | M侧粗糙度○ |
实例6-4 | 2.61 | 0.47 | 47.1 | 22.1 | 16.8 | 4.21 | 0.80 | 53.2 | 22.6 | 18.3 | 79.1 | S侧粗糙度○ |
实例6-5 | 2.65 | 0.48 | 47.5 | 22.6 | 16.3 | 4.87 | 0.86 | 53.6 | 22.8 | 18.7 | 81.3 | S侧粗糙度◎ |
实例6-6 | 2.71 | 0.47 | 46.6 | 22.3 | 16.7 | 5.20 | 0.95 | 53.3 | 22.9 | 18.6 | 78.4 | S侧粗糙度○ |
实例6-7 | 3.22 | 0.62 | 47.1 | 24.4 | 18.8 | 4.91 | 0.88 | 53.8 | 22.8 | 18.7 | 83.6 | 每一侧粗糙度◎ |
实例6-8 | 3.41 | 0.59 | 52.2 | 26.0 | 19.0 | 2.99 | 0.84 | 68.2 | 22.3 | 16.4 | 85.1 | M侧颜色○ |
实例6-9 | 3.38 | 0.58 | 57.6 | 27.3 | 19.5 | 3.02 | 0.85 | 67.7 | 22.5 | 16.2 | 87.1 | M侧颜色◎ |
实例6-10 | 3.34 | 0.61 | 59.9 | 29.0 | 18.9 | 3.10 | 0.91 | 68.0 | 22.2 | 16.0 | 85.3 | M侧颜色○ |
实例6-11 | 2.67 | 0.48 | 47.3 | 22.1 | 16.4 | 4.99 | 0.91 | 55.2 | 23.1 | 17.6 | 85.1 | S侧颜色○ |
前表面(M侧) | 后表面(S侧) | 容量保持率(%) | 条件变化 | |||||||||
Rz | Ra | L* | a* | b* | Rz | Ra | L* | a* | b* | |||
实例6-12 | 2.81 | 0.47 | 46.3 | 22.8 | 16.3 | 4.93 | 0.89 | 59.8 | 26.5 | 19.3 | 88.6 | S侧颜色◎ |
实例6-13 | 2.77 | 0.49 | 47.6 | 23.0 | 16.2 | 4.89 | 0.90 | 69.8 | 27.8 | 21.4 | 84.9 | S侧颜色○ |
实例6-14 | 3.15 | 0.61 | 57.8 | 26.9 | 19.3 | 4.88 | 0.89 | 59.5 | 26.7 | 19.1 | 91.9 | 每一侧颜色◎ |
铜箔的退火温度 | 具有截面面积大于100μm2的微晶 | 容量保持率(%) | 伸长率(%) | 杨氏模量(MPa) | |
实例5 | 无 | 无 | 76.4 | 3.1 | 4.92×109 |
实例7-1 | 250℃ | 无 | 79.3 | 4.8 | 6.32×108 |
实例7-2 | 350℃ | 无 | 85.6 | 8.9 | 5.93×107 |
实例7-3 | 450℃ | 出现 | 70.1 | 10.1 | 3.61×106 |
实例7-4 | 550℃ | 出现 | 69.1 | 11.4 | 1.61×106 |
铜箔的退火温度 | I(200)/I(111) | Cu3Si | 容量保持率(%) | |
实例5 | 无 | 0.67 | 没有发现 | 76.4 |
实例8-1 | 200℃ | 0.71 | 没有发现 | 77.4 |
实例8-2 | 250℃ | 0.83 | 没有发现 | 81.8 |
实例8-3 | 300℃ | 0.89 | 没有发现 | 83.6 |
实例8-4 | 350℃ | 0.99 | 没有发现 | 86.6 |
实例8-5 | 400℃ | 1.05 | 观察到 | 69.7 |
实例8-6 | 450℃ | 1.13 | 观察到 | 69.1 |
实例8-7 | 500℃ | 1.37 | 观察到 | 65.5 |
表面积比率 | 转移试验 | 容量保持率(%) | |||
前表面 | 后表面 | 前表面 | 后表面 | ||
实例5 | 3.1 | 3.3 | (3) | (3) | 76.4 |
比较例5-2 | 1.4 | 3.2 | (1) | (4) | 56.4 |
比较例5-3 | 1.1 | 3.3 | (1) | (4) | 45.1 |
比较例5-4 | 3.6 | 6.1 | (4) | (1) | 52.1 |
比较例5-5 | 3.5 | 1.8 | (4) | (1) | 41.1 |
实例6-8 | 3.4 | 3.4 | (2) | (2) | 85.1 |
实例6-9 | 4.2 | 3.8 | (2) | (2) | 87.1 |
实例6-10 | 5.3 | 3.7 | (2) | (2) | 85.3 |
实例6-11 | 3.1 | 4.2 | (3) | (3) | 85.1 |
实例6-12 | 3.6 | 5.9 | (3) | (3) | 88.6 |
实例6-13 | 3.3 | 4.7 | (3) | (3) | 84.9 |
实例6-14 | 3.95 | 3.7 | (2) | (3) | 91.9 |
表面积比率 | 转移试验 | 容量保持摔(%) | |||
前表面 | 后表面 | 前表面 | 后表面 | ||
实例9-1 | 1.4 | 3.8 | (1) | (3) | 57.3 |
实例9-2 | 1.5 | 3.7 | (2) | (3) | 64.1 |
实例9-3 | 3.5 | 3.8 | (3) | (3) | 68.7 |
实例9-4 | 5.5 | 3.6 | (3) | (3) | 64.6 |
实例9-5 | 5.7 | 3.8 | (4) | (3) | 51.3 |
实例9-6 | 3.9 | 1.9 | (3) | (1) | 56.7 |
实例9-7 | 3.9 | 2 | (3) | (2) | 64.9 |
实例9-8 | 3.8 | 3.8 | (3) | (2) | 66.8 |
实例9-9 | 4.1 | 6 | (3) | (3) | 69.1 |
实例9-10 | 3.9 | 6.2 | (3) | (4) | 57.6 |
氧含量(%原子比) | 氧分布 | 容量保持率(%) | |
实例10-1 | 4.9 | 均匀地分散在膜中 | 72.4 |
实例1-1 | 7.2 | 均匀地分散在膜中 | 72.5 |
实例10-2 | 20.0 | 均匀地分散在膜中 | 78.4 |
实例10-3 | 40.0 | 均匀地分散在膜中 | 79.1 |
实例10-4 | 41.5 | 均匀地分散在膜中 | 72.2 |
实例10-5 | 20.5 | 在中间层的一个氧层 | 77.7 |
实例10-6 | 20.5 | 膜表面上的一个层,和主体(bulk)中的两个层 | 78.1 |
氧含量(%原子比) | 氧分布 | 容量保持率(%) | |
实例5 | 2.5 | 均匀地分散在膜中 | 76.4 |
实例10-21 | 2.9 | 均匀地分散在膜中 | 76.4 |
实例10-22 | 3.1 | 均匀地分散在膜中 | 79.5 |
实例10-23 | 39.9 | 均匀地分散在膜中 | 79.9 |
实例10-24 | 41.5 | 均匀地分散在膜中 | 76.4 |
实例10-25 | 20.5 | 在中间层的一个氧层 | 81.8 |
实例10-26 | 20.5 | 膜表面上的一个层,和主体中的两个层 | 83.1 |
电解质组成 | 容量保持率(%) | |
实例11-1 | FEC∶DEC=3∶7(EC→FEC) | 88.9 |
实例11-2 | DFEC∶DEC=3∶7(EC→DFEC) | 89.7 |
实例1-1 | EC∶DEC=3∶7 | 72.5 |
电解质组成 | 添加剂 | 容量保持率(%) | |
实例5 | EC∶DEC=3∶7 | 76.4 | |
实例11-21 | FEC∶DEC=3∶7(EC→FEC) | 85.3 | |
实例11-22 | DFEC∶DEC=3∶7(EC→DFEC) | 88.7 | |
实例11-23 | FEC∶DEC=3∶7(FC→FEC) | 碳酸亚乙烯酯 | 88.9 |
实例11-24 | FEC∶DEC=3∶7(EC→FFC) | 碳酸乙烯基亚乙酯 | 88.8 |
实例11-25 | FEC∶DEC=3∶7(EC→FEC) | 1,3-丙烯磺内酯 | 88.6 |
实例11-26 | FEC∶DEC=3∶7(EC→FEC) | LiBF4 | 88.8 |
丙烯磺内酯 | 膨胀率(%) | 容量保持率(%) | |
实例12 | 包含 | 0.40 | 85.3 |
实例1-1 | 无 | 3.00 | 72.5 |
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KR101490889B1 (ko) | 2015-02-06 |
US8097365B2 (en) | 2012-01-17 |
KR20080002651A (ko) | 2008-01-04 |
JP4470917B2 (ja) | 2010-06-02 |
US20080176144A1 (en) | 2008-07-24 |
JP2008010320A (ja) | 2008-01-17 |
CN101106196B (zh) | 2010-12-22 |
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